Why is glass brittle

1 answer:

6 0

Glass doesn't contain planes of atoms that can slip past each other, so there is no way to relieve stress. It has many microscopic cracks that act as seeds for fracture. It’s molecular structure is composed of tetrahedral crystals so it ruptured easily under stress

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Mademuasel [1]

Answer:

yes

Explanation:

yes because the ice changes forms physically and can be changed back. not 100% sure tho

4 0

3 years ago

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How many grams of o2 are required to produce 358.5 grams of zno? 2zn + o2 ® 2zno?

Murrr4er [49]

The balanced equation for the reaction is ;
2Zn + O2 —> 2ZnO
The stoichiometry of O2 to ZnO is 1:2
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The number of moles formed - 358.5 g / 81.4 g/mol = 4.4 moles
Therefore number of O2 moles reacted = 4.4 moles /2 = 2.2 mol
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3 years ago

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KIM [24]

It’s C
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2 years ago

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miss Akunina [59]

Answer:

Answers are given below